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Schimon Jehudah
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619
slixfeed.py
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619
slixfeed.py
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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Created on Sun May 15 17:09:05 2022
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@author: Schimon Jehudah, Adv.
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"""
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from argparse import ArgumentParser
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from asyncio.exceptions import IncompleteReadError
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from bs4 import BeautifulSoup
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from datetime import date
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from getpass import getpass
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from http.client import IncompleteRead
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from urllib import error
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#from urllib.parse import urlparse
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#from xdg import BaseDirectory
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import asyncio
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import feedparser
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import logging
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import os
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import slixmpp
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import sqlite3
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from sqlite3 import Error
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import sys
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#import xdg
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class EchoBot(slixmpp.ClientXMPP):
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"""
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Slixmpp bot that will send updates of feeds it
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receives.
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"""
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def __init__(self, jid, password):
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slixmpp.ClientXMPP.__init__(self, jid, password)
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# The session_start event will be triggered when
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# the bot establishes its connection with the server
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# and the XML streams are ready for use. We want to
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# listen for this event so that we we can initialize
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# our roster.
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self.add_event_handler("session_start", self.start)
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# The message event is triggered whenever a message
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# stanza is received. Be aware that that includes
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# MUC messages and error messages.
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self.add_event_handler("message", self.message)
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async def start(self, event):
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"""
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Process the session_start event.
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Typical actions for the session_start event are
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requesting the roster and broadcasting an initial
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presence stanza.
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Arguments:
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event -- An empty dictionary. The session_start
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event does not provide any additional
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data.
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"""
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self.send_presence()
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await self.get_roster()
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def message(self, msg):
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"""
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Process incoming message stanzas. Be aware that this also
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includes MUC messages and error messages. It is usually
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a good idea to check the messages's type before processing
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or sending replies.
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Arguments:
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msg -- The received message stanza. See the documentation
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for stanza objects and the Message stanza to see
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how it may be used.
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"""
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if msg['type'] in ('chat', 'normal'):
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# download_updates(msg['from'])
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message = " ".join(msg['body'].split())
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if message.startswith('update'):
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print("sending to: + msg['from'].bare")
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print("sending to: " + msg['from'].bare)
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news = initdb(msg['from'].bare,
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False,
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download_updates)
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if news:
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today = str(date.today())
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news.insert = [0, 'News fetched on: ' + today]
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for new in news:
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msg.reply(new).send()
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action = "End of News update"
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else:
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action = "No News update"
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elif message.startswith('recent updates '):
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action = initdb(msg['from'].bare,
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message[14:],
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last_entries)
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elif message.startswith('list feeds'):
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action = initdb(msg['from'].bare,
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False,
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list_subscriptions)
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elif message.startswith('add feed '):
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action = initdb(msg['from'].bare,
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message[9:],
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add_feed)
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elif message.startswith('remove feed '):
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action = initdb(msg['from'].bare,
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message[12:],
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remove_feed)
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elif message.startswith('status '):
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action = initdb(msg['from'].bare,
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message[7:],
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toggle_status)
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msg.reply(action).send()
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async def check_updates(self):
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while True:
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db_dir = get_default_dbdir()
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if not os.path.isdir(db_dir):
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msg = """
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No database directory was found. \n
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To create News database,send these messages to bot: \n
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add feed https://reclaimthenet.org/feed/
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update
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"""
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print(msg)
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else:
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os.chdir(db_dir)
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files = os.listdir()
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for file in files:
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jid = file[:-3]
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initdb(jid,
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False,
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download_updates)
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await asyncio.sleep(60 * 30)
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#await asyncio.sleep(180 * 60)
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async def send_updates(self):
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while True:
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db_dir = get_default_dbdir()
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if not os.path.isdir(db_dir):
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msg = """
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No database directory was found. \n
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To create News database,send these messages to bot: \n
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add feed https://reclaimthenet.org/feed/
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update
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"""
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print(msg)
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else:
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os.chdir(db_dir)
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files = os.listdir()
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for file in files:
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jid = file[:-3]
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new = initdb(jid,
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False,
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get_unread)
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if new:
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msg = self.make_message(mto=jid,
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mbody=new,
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mtype='chat')
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msg.send()
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# today = str(date.today())
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# news.insert = [0, 'News fetched on: ' + today]
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#news.append('End of News update')
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#for new in news:
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#print("sending to: jid")
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#print("sending to: " + jid)
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# self.send_message(mto=jid,
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# mbody=new,
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# mtype='normal').send()
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#msg = self.make_message(mto=jid,
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# mbody=new,
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# mtype='chat')
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#print(msg)
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#msg.send()
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await asyncio.sleep(10)
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asyncio.ensure_future(check_updates(self))
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asyncio.ensure_future(send_updates(self))
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# Function from buku
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# https://github.com/jarun/buku
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# Arun Prakash Jana (jarun)
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# Dmitry Marakasov (AMDmi3)
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def get_default_dbdir():
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"""Determine the directory path where dbfile will be stored.
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If $XDG_DATA_HOME is defined, use it
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else if $HOME exists, use it
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else if the platform is Windows, use %APPDATA%
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else use the current directory.
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Returns
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-------
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str
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Path to database file.
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"""
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# data_home = xdg.BaseDirectory.xdg_data_home
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data_home = os.environ.get('XDG_DATA_HOME')
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if data_home is None:
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if os.environ.get('HOME') is None:
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if sys.platform == 'win32':
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data_home = os.environ.get('APPDATA')
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if data_home is None:
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return os.path.abspath('.')
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else:
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return os.path.abspath('.')
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else:
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data_home = os.path.join(os.environ.get('HOME'), '.local', 'share')
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return os.path.join(data_home, 'slixfeed')
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# TODO Perhaps this needs to be executed
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# just once per program execution
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def initdb(jid, message, callback):
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db_dir = get_default_dbdir()
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if not os.path.isdir(db_dir):
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os.mkdir(db_dir)
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os.chdir(db_dir)
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db_file = r"{}.db".format(jid)
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feeds_table_sql = """
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CREATE TABLE IF NOT EXISTS feeds (
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id integer PRIMARY KEY,
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name text,
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address text NOT NULL,
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status integer,
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updated text
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); """
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entries_table_sql = """
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CREATE TABLE IF NOT EXISTS entries (
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id integer PRIMARY KEY,
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title text NOT NULL,
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summary text NOT NULL,
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link text NOT NULL,
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source text,
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read integer
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); """
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# create a database connection
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conn = create_connection(db_file)
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# create tables
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if conn is not None:
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# create projects table
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create_table(conn, feeds_table_sql)
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create_table(conn, entries_table_sql)
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else:
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print("Error! cannot create the database connection.")
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if message:
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return callback(conn, message)
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else:
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return callback(conn)
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def create_connection(db_file):
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"""
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Create a database connection to the SQLite database
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specified by db_file
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:param db_file: database file
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:return: Connection object or None
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"""
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conn = None
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try:
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conn = sqlite3.connect(db_file)
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return conn
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except Error as e:
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print(e)
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return conn
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def create_table(conn, create_table_sql):
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"""
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Create a table from the create_table_sql statement
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:param conn: Connection object
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:param create_table_sql: a CREATE TABLE statement
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:return:
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"""
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try:
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c = conn.cursor()
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c.execute(create_table_sql)
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except Error as e:
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print(e)
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# def setup_info(jid):
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# def start_process(jid):
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def download_updates(conn):
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with conn:
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# get current date
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#today = date.today()
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urls = get_subscriptions(conn)
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for url in urls:
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#"".join(url)
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source = url[0]
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try:
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feed = feedparser.parse(source)
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except (IncompleteReadError, IncompleteRead, error.URLError) as e:
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print(e)
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continue
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print("# " + source)
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# TODO Place these couple of lines back down
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# NOTE Need to correct the SQL statement to do so
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length = len(feed.entries)
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remove_entry(conn, source, length)
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for entry in feed.entries:
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title = '*** No title ***' if not entry.title else entry.title
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link = source if not entry.link else entry.link
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exist = check_entry(conn, title, link)
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if not exist:
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if feed.bozo:
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print('feed.bozo')
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print(source)
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#print('entry')
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#print(entry)
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if entry.has_key('summary'):
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summary = entry.summary
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# Remove HTML tags
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summary = BeautifulSoup(summary, "lxml").text
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# TODO Limit text length
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else:
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summary = '*** No summary ***'
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#print('~~~~~~summary not in entry')
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entry = (title, summary, link, source, 0);
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add_entry(conn, entry)
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set_date(conn, source)
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#make_message
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# message = title + '\n\n' + summary + '\n\nLink: ' + link
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# print(message)
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# news.append(message)
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# print(len(news))
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# return news
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def check_feed(conn, url):
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"""
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Check whether a feed exists
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Query for feeds by url
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:param conn:
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:param url:
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:return: row
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"""
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cur = conn.cursor()
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sql = "SELECT id FROM feeds WHERE address = ?"
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cur.execute(sql, (url,))
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return cur.fetchone()
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def add_feed(conn, url):
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"""
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Add a new feed into the feeds table
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:param conn:
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:param feed:
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:return: string
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"""
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#conn = create_connection(db_file)
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exist = check_feed(conn, url)
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if not exist:
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title = feedparser.parse(url)['feed']['title']
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feed = (title, url, 1)
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cur = conn.cursor()
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sql = """ INSERT INTO feeds(name,address,status)
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VALUES(?,?,?) """
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cur.execute(sql, feed)
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conn.commit()
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# source = title if not '' else url
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source = title if title else url
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return 'News source "{}" has been added to subscriptions list'.format(source)
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def remove_feed(conn, id):
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"""
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Delete a feed by feed id
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:param id: id of the feed
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:return: string
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"""
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# You have chose to remove feed (title, url) from your feed list.
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# Enter "delete" to confirm removal.
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#conn = create_connection(db_file)
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cur = conn.cursor()
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sql = 'SELECT address FROM feeds WHERE id = ?'
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# NOTE [0][1][2]
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url = cur.execute(sql, (id,))
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for i in url:
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url = i[0]
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sql = 'DELETE FROM entries WHERE source = ? '
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cur.execute(sql, (url,))
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sql = 'DELETE FROM feeds WHERE id = ?'
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cur.execute(sql, (id,))
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conn.commit()
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return 'News source "{}" has been removed from subscriptions list'.format(url)
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def get_unread(conn):
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"""
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Check read status of entry
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:param id: id of the entry
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:return: string
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"""
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entry = []
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cur = conn.cursor()
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sql = "SELECT id FROM entries WHERE read = 0"
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#id = cur.execute(sql).fetchone()[0]
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id = cur.execute(sql).fetchone()
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if id is None:
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return False
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id = id[0]
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print(id)
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sql = "SELECT title FROM entries WHERE id = :id"
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cur.execute(sql, (id,))
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title = cur.fetchone()[0]
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entry.append(title)
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sql = "SELECT summary FROM entries WHERE id = :id"
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cur.execute(sql, (id,))
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summary = cur.fetchone()[0]
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entry.append(summary)
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sql = "SELECT link FROM entries WHERE id = :id"
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cur.execute(sql, (id,))
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link = cur.fetchone()[0]
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entry.append(link)
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# columns = ['title', 'summary', 'link']
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# for column in columns:
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# sql = "SELECT :column FROM entries WHERE id = :id"
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# cur.execute(sql, {"column": column, "id": id})
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# str = cur.fetchone()[0]
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# entry.append(str)
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entry = '{}\n\n{}\n\nLink: {}'.format(entry[0], entry[1], entry[2])
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mark_as_read(conn, id)
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conn.commit()
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return entry
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def mark_as_read(conn, id):
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"""
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Set read status of entry
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:param id: id of the entry
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:return:
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"""
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cur = conn.cursor()
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sql = "UPDATE entries SET summary = '', read = 1 WHERE id = ?"
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cur.execute(sql, (id,))
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conn.commit()
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return
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# TODO test
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def toggle_status(conn, id):
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"""
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Set status of feed
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:param id: id of the feed
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:return: string
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"""
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#conn = create_connection(db_file)
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cur = conn.cursor()
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sql = "SELECT status FROM feeds WHERE id = ?"
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# NOTE [0][1][2]
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status = cur.execute(sql, (id,))
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# FIXME always set to 1
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# NOTE Maybe because is not integer
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# TODO Reset feed table before further testing
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status = 0 if status == 1 else 1
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sql = "UPDATE feeds SET status = :status WHERE id = :id"
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cur.execute(sql, {"status": status, "id": id})
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conn.commit()
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return 'News source status has changed to {}'.format(status)
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def set_date(conn, url):
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"""
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Set last update date of feed
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:param url: url of the feed
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:return:
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"""
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today = date.today()
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cur = conn.cursor()
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sql = "UPDATE feeds SET updated = :today WHERE address = :url"
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cur.execute(sql, {"today": today, "url": url})
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conn.commit()
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def get_subscriptions(conn):
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"""
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Query feeds
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:param conn:
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:return: rows (tuple)
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"""
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cur = conn.cursor()
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sql = "SELECT address FROM feeds"
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result = cur.execute(sql)
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return result
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def list_subscriptions(conn):
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"""
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Query feeds
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:param conn:
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:return: rows (string)
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"""
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cur = conn.cursor()
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#sql = "SELECT id, address FROM feeds"
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sql = "SELECT name, address, updated, id FROM feeds"
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results = cur.execute(sql)
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feeds_list = 'List of subscriptions: \n'
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for result in results:
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#feeds_list = feeds_list + '\n {}. {}'.format(str(result[0]), str(result[1]))
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feeds_list = feeds_list + '\n {} \n {} \n Last updated: {} \n ID: {} \n'.format(str(result[0]), str(result[1]), str(result[2]), str(result[3]))
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return feeds_list
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def check_entry(conn, title, link):
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"""
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Check whether an entry exists
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Query entries by title and link
|
||||
:param conn:
|
||||
:param link:
|
||||
:param title:
|
||||
:return: row
|
||||
"""
|
||||
cur = conn.cursor()
|
||||
sql = "SELECT id FROM entries WHERE title = :title and link = :link"
|
||||
cur.execute(sql, {"title": title, "link": link})
|
||||
return cur.fetchone()
|
||||
|
||||
|
||||
def add_entry(conn, entry):
|
||||
"""
|
||||
Add a new entry into the entries table
|
||||
:param conn:
|
||||
:param entry:
|
||||
:return:
|
||||
"""
|
||||
sql = """ INSERT INTO entries(title,summary,link,source,read)
|
||||
VALUES(?,?,?,?,?) """
|
||||
cur = conn.cursor()
|
||||
cur.execute(sql, entry)
|
||||
conn.commit()
|
||||
|
||||
|
||||
def remove_entry(conn, source, length):
|
||||
"""
|
||||
Maintain list of entries
|
||||
Check the number returned by feed and delete
|
||||
existing entries up to the same returned amount
|
||||
:param conn:
|
||||
:param source:
|
||||
:param length:
|
||||
:return:
|
||||
"""
|
||||
cur = conn.cursor()
|
||||
# FIXED
|
||||
# Dino empty titles are not counted https://dino.im/index.xml
|
||||
# SOLVED
|
||||
# Add text if is empty
|
||||
# title = '*** No title ***' if not entry.title else entry.title
|
||||
sql = "SELECT count(id) FROM entries WHERE source = ?"
|
||||
count = cur.execute(sql, (source,))
|
||||
count = cur.fetchone()[0]
|
||||
#limit = count - length
|
||||
limit = count - length
|
||||
if limit:
|
||||
#if limit > 0:
|
||||
limit = limit;
|
||||
sql = "DELETE FROM entries WHERE id IN (SELECT id FROM entries WHERE source = :source ORDER BY id ASC LIMIT :limit)"
|
||||
cur.execute(sql, {"source": source, "limit": limit})
|
||||
conn.commit()
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
# Setup the command line arguments.
|
||||
parser = ArgumentParser(description=EchoBot.__doc__)
|
||||
|
||||
# Output verbosity options.
|
||||
parser.add_argument("-q", "--quiet", help="set logging to ERROR",
|
||||
action="store_const", dest="loglevel",
|
||||
const=logging.ERROR, default=logging.INFO)
|
||||
parser.add_argument("-d", "--debug", help="set logging to DEBUG",
|
||||
action="store_const", dest="loglevel",
|
||||
const=logging.DEBUG, default=logging.INFO)
|
||||
|
||||
# JID and password options.
|
||||
parser.add_argument("-j", "--jid", dest="jid",
|
||||
help="JID to use")
|
||||
parser.add_argument("-p", "--password", dest="password",
|
||||
help="password to use")
|
||||
|
||||
args = parser.parse_args()
|
||||
|
||||
# Setup logging.
|
||||
logging.basicConfig(level=args.loglevel,
|
||||
format='%(levelname)-8s %(message)s')
|
||||
|
||||
if args.jid is None:
|
||||
args.jid = input("Username: ")
|
||||
if args.password is None:
|
||||
args.password = getpass("Password: ")
|
||||
|
||||
# Setup the EchoBot and register plugins. Note that while plugins may
|
||||
# have interdependencies, the order in which you register them does
|
||||
# not matter.
|
||||
xmpp = EchoBot(args.jid, args.password)
|
||||
xmpp.register_plugin('xep_0030') # Service Discovery
|
||||
xmpp.register_plugin('xep_0004') # Data Forms
|
||||
xmpp.register_plugin('xep_0060') # PubSub
|
||||
xmpp.register_plugin('xep_0199') # XMPP Ping
|
||||
|
||||
# Connect to the XMPP server and start processing XMPP stanzas.
|
||||
xmpp.connect()
|
||||
xmpp.process()
|
||||
Loading…
Reference in a new issue